float64 x                    # GLobal x coordination of the way point
float64 y                    # GLobal y coordination of the way point
float64 z                    # Global z coordination of the way point
float64 heading_angle        # Heading angle of the way point			路径点的航向角
float64 velocity             # Target speed of the way point			路径点的目标速度
float64 curvature            # Curvature of the way point
uint8 reverse
float64 s
